| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sludge cleaning apparatus for used fuel capable of removing and rinsing sludge which adheres to the inside of a centrifugal clarifier, etc. and cannot be cleaned off with water, and a sludge cleaning method. <P>SOLUTION: A sludge cleaning apparatus for separating insoluble solid content from used fuel liquid using a centrifugal clarifier 1A comprises: aqueous nitrate solution supply means 6,7,8 for supplying an aqueous nitrate solution to the centrifugal clarifier 1A; water supply means 9,10,11 for supplying water to the centrifugal clarifier 1A; and alkali aqueous solution supply means 2,3,4 for supplying an alkali aqueous solution to the centrifugal clarifier 1A. <P>COPYRIGHT: (C)2012,JPO&INPIT |
